1 files changed, 21 insertions, 0 deletions
diff --git a/movement/lib/TOTP/TOTP.h b/movement/lib/TOTP/TOTP.h
new file mode 100644
index 00000000..4b5897eb
--- /dev/null
+++ b/movement/lib/TOTP/TOTP.h
@@ -0,0 +1,21 @@
+#ifndef TOTP_H_
+#define TOTP_H_
+
+#include <inttypes.h>
+#include "time.h"
+
+typedef enum {
+    SHA1,
+    SHA224,
+    SHA256,
+    SHA384,
+    SHA512
+} hmac_alg;
+
+void TOTP(uint8_t* hmacKey, uint8_t keyLength, uint32_t timeStep, hmac_alg algorithm);
+void setTimezone(uint8_t timezone);
+uint32_t getCodeFromTimestamp(uint32_t timeStamp);
+uint32_t getCodeFromTimeStruct(struct tm time);
+uint32_t getCodeFromSteps(uint32_t steps);
+
+#endif // TOTP_H_